linux-kernel - Re: [PATCH v7 21/24] mailbox/riscv-sbi-mpxy: Add ACPI support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <aGUl_S9irfhlHmy2@smile.fi.intel.com>
Date: Wed, 2 Jul 2025 15:28:45 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Anup Patel <apatel@...tanamicro.com>
Cc: Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Jassi Brar <jassisinghbrar@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"Rafael J . Wysocki" <rafael@...nel.org>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Bartosz Golaszewski <brgl@...ev.pl>,
	Uwe Kleine-König <ukleinek@...nel.org>,
	Palmer Dabbelt <palmer@...belt.com>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Alexandre Ghiti <alex@...ti.fr>, Len Brown <lenb@...nel.org>,
	Sunil V L <sunilvl@...tanamicro.com>,
	Rahul Pathak <rpathak@...tanamicro.com>,
	Leyfoon Tan <leyfoon.tan@...rfivetech.com>,
	Atish Patra <atish.patra@...ux.dev>,
	Andrew Jones <ajones@...tanamicro.com>,
	Samuel Holland <samuel.holland@...ive.com>,
	Anup Patel <anup@...infault.org>, linux-clk@...r.kernel.org,
	devicetree@...r.kernel.org, linux-acpi@...r.kernel.org,
	linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 21/24] mailbox/riscv-sbi-mpxy: Add ACPI support

On Wed, Jul 02, 2025 at 10:43:42AM +0530, Anup Patel wrote:
> From: Sunil V L <sunilvl@...tanamicro.com>
> 
> Add ACPI support for the RISC-V SBI message proxy (MPXY) based
> mailbox driver.

...

> -		if (dev_of_node(dev))
> +		if (is_of_node(fwnode)) {
>  			of_msi_configure(dev, dev_of_node(dev));
> +		} else if (is_acpi_device_node(fwnode)) {
> +			msi_domain = irq_find_matching_fwnode(imsic_acpi_get_fwnode(dev),
> +							      DOMAIN_BUS_PLATFORM_MSI);
> +			dev_set_msi_domain(dev, msi_domain);
> +		}

Actually you don't need to have the if-else-if if I am not mistaken.
The OF does almost the same as it's done in the second branch for ACPI case.
How many MSI parents this may have?

-- 
With Best Regards,
Andy Shevchenko